Ten-alarm fires are huge, dangerous and call hundreds of emergency
professionals into action. One such fire occurred in Brooklyn
in May of this year and it was one of the worst fires in more
than a decade. It began in the afternoon as a six-alarm fire and
progressed to ten alarms by the evening. Luckily by morning it
was reduced to a two-alarm blaze.
Basically, the number of alarms relates to the number of firefighters
called to the scene. However, it is not as simple as that, two-alarm
fires don’t necessarily require twice as many firefighters
as a one-alarm fire. It may be that dispatch sends twice as many
units, brigades or companies but the number of firefighters and
type of unit may also vary widely. A unit can refer to any type
of firefighting vehicle.
A fire engine, ladder truck or even a small civilian car can
be considered a unit. If a civilian vehicle is called to the scene
it will usually transport the fire chief and may be called a “buggy”.
In New York City 25 units including 106 firefighters are sent
out on two-alarm fires. Dispatch will call out 33 units and about
138 firefighters for a three-alarm fire, 39 and 168 for four and
44 and 198 for a five-alarm blaze.
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